Lung Cancer: signs, cause & treatment | how long to live after diagnosis?

Lung Cancer: signs, cause & treatment

What are the 6 signs of lung cancer?

I believe you may have meant to ask about the early signs of lung cancer, as opposed to « 0 signs ». Here are some common early signs of lung cancer:

  1. Persistent cough: A persistent cough that lasts for more than two weeks, or a change in an existing cough, can be a sign of lung cancer.
  2. Shortness of breath: Difficulty breathing or shortness of breath, especially during physical activities, can be an early sign of lung cancer.
  3. Chest pain: Pain in the chest, shoulders, or back can be a sign of lung cancer.
  4. Hoarseness: A hoarse or raspy voice, or a sudden change in voice quality, can be a sign of lung cancer.
  5. Coughing up blood: Coughing up blood or blood-tinged sputum can be a sign of lung cancer.
  6. Fatigue: Unexplained fatigue or weakness can be a sign of lung cancer.

It’s important to note that these symptoms can also be caused by other conditions, so it’s important to see a doctor for a proper diagnosis if you experience any of these symptoms.


What are 6 common causes of cancer?

common causes of cancer

Cancer is a complex disease that can be caused by a variety of factors, including genetic, lifestyle, and environmental factors. Here are some of the common causes of cancer:

  1. Genetics: Some people may inherit genetic mutations that increase their risk of developing certain types of cancer.
  2. Age: The risk of cancer increases with age, as the body’s cells are more likely to accumulate genetic damage over time.
  3. Lifestyle factors: Unhealthy lifestyle choices such as smoking, excessive alcohol consumption, poor diet, and lack of physical activity can increase the risk of developing cancer.
  4. Environmental factors: Exposure to certain environmental factors such as radiation, pollution, and certain chemicals can increase the risk of developing cancer.
  5. Viruses and infections: Some viruses and infections, such as human papillomavirus (HPV), hepatitis B and C, and human immunodeficiency virus (HIV), can increase the risk of developing cancer.
  6. Chronic inflammation: Chronic inflammation caused by conditions such as inflammatory bowel disease or long-standing infections can increase the risk of cancer.


Can a lung cancer be cured?

The treatment and prognosis for lung cancer depend on several factors, including the type and stage of the cancer, the patient’s overall health, and whether the cancer has spread to other parts of the body.

Lung Cancer Treatment

In some cases, lung cancer can be cured, especially if it is diagnosed at an early stage and has not spread to other parts of the body. Treatment options for lung cancer may include surgery, radiation therapy, chemotherapy, targeted therapy, or a combination of these treatments.

For more advanced stages of lung cancer, a cure may not be possible, but treatment can still help to control the growth and spread of the cancer and improve the patient’s quality of life. In some cases, immunotherapy or other emerging treatments may be available.

Pain is a common symptom of lung cancer, and it can be caused by several factors, such as the cancer itself, the treatment for cancer, or other underlying health conditions.

Lung Cancer pain


Some of the most common types of pain experienced by people with lung cancer include:

  1. Chest pain: Chest pain may be caused by the cancer itself or by the pressure that the tumor is putting on the surrounding tissues or organs.
  2. Nerve pain: Nerve pain may be caused by the cancer or by the treatment, such as radiation therapy or chemotherapy.
  3. Bone pain: Lung cancer can spread to the bones, causing bone pain or fractures.
  4. Headaches: Lung cancer that has spread to the brain can cause headaches.
  5. Pain from treatment: Pain can also be a side effect of treatment for lung cancer, such as surgery, radiation therapy, or chemotherapy.
There are several types of drugs that may be used to manage cancer pain. These include:
  1. Nonsteroidal anti-inflammatory drugs (NSAIDs): NSAIDs, such as ibuprofen and aspirin, are often used to relieve mild to moderate cancer pain. They work by reducing inflammation and blocking pain signals.
  2. Opioids: Opioids, such as morphine, oxycodone, and fentanyl, are strong pain medications that are often used to manage moderate to severe cancer pain. They work by binding to receptors in the brain and spinal cord to reduce pain signals.
  3. Adjuvant analgesics: Adjuvant analgesics are drugs that are not primarily used for pain relief but may be used to enhance the effectiveness of other pain medications. For example, antidepressants or anticonvulsants may be used to relieve nerve pain caused by cancer.
  4. Corticosteroids: Corticosteroids, such as dexamethasone, may be used to reduce inflammation and swelling that can cause pain in cancer patients.
  5. Local anesthetics: Local anesthetics, such as lidocaine, may be used to block pain signals in specific areas of the body.

How long is life after lung cancer?

The survival rate for lung cancer varies widely depending on several factors, such as the stage of the cancer, the type of lung cancer, the patient’s overall health, and the effectiveness of treatment.

The survival rate for lung cancer varies widely depending on several factors,

For people with early-stage lung cancer that has not spread beyond the lung, the five-year survival rate is around 56-73%, according to the American Cancer Society. However, for those with advanced or metastatic lung cancer, the five-year survival rate is much lower, at around 6%.

What are the 4 stages of Lung Cancer?

The stages of lung cancer are based on the size and location of the tumor, whether it has spread to nearby tissues or lymph nodes, and whether it has metastasized (spread) to other parts of the body. The stages of lung cancer are as follows:

Non-small cell lung cancer (NSCLC):

Stage 0: Also known as carcinoma in situ, this is the earliest stage of NSCLC, where cancer cells are found only in the lining of the lung and have not spread to nearby tissues or lymph nodes.

Stage I: At this stage, the tumor is small and located only in one lung and has not spread to nearby lymph nodes or distant organs.

Stage II: At this stage, the tumor is larger and may have spread to nearby lymph nodes or other tissues.

Stage III: At this stage, the tumor has spread to lymph nodes and other structures in the chest, such as the chest wall, the diaphragm, or the lining of the heart.

Stage IV: At this stage, the cancer has spread to other parts of the body, such as the brain, bones, or liver.

Small cell lung cancer (SCLC):

Limited-stage: At this stage, the cancer is confined to one lung and may have spread to nearby lymph nodes.

Extensive-stage: At this stage, the cancer has spread to other parts of the body, such as the brain, bones, or liver.


Lung Cancer Treatment 

The treatment for lung cancer depends on several factors, such as the type and stage of the cancer, the patient’s overall health, and the patient’s personal preferences. Some of the most common treatment options for lung cancer include:

  1. Surgery: Surgery involves removing the cancerous tissue from the lung. This may be an option for early-stage lung cancer, as well as some cases of more advanced cancer that has not spread to other parts of the body.
  2. Radiation therapy: Radiation therapy uses high-energy radiation to kill cancer cells. It may be used alone or in combination with other treatments, such as surgery or chemotherapy.
  3. Chemotherapy: Chemotherapy involves using drugs to kill cancer cells. It may be used alone or in combination with other treatments.
  4. Targeted therapy: Targeted therapy is a type of cancer treatment that uses drugs to target specific molecules or proteins that are involved in the growth and spread of cancer cells.
  5. Immunotherapy: Immunotherapy is a type of cancer treatment that works by boosting the body’s immune system to help it fight cancer cells.
Some of the most common treatment options for lung cancer

In addition to these treatments, patients may also receive supportive care, such as pain management or help managing side effects of treatment.